ABC212 C問題

https://scrapbox.io/files/611783f0137a2d001d84ef82.png

code:swift

let input = readLine()!.split(separator: " ").map{Int($0)!}

var A = readLine()!.split(separator: " ").map{Int($0)!}

var B = readLine()!.split(separator: " ").map{Int($0)!}

A = A.sorted()

B = B.sorted()

var ans = 10000000000

func binary_search(key:Int) -> Int{

var left = -1

var right = A.count-1

while (right - left > 1){

let mid = left + (right - left)/2

right = mid

}else{

left = mid

}

}

return right

}

var key_right:Int

var key_left:Int

for i in 0..<B.count{

if key_right < A.count{

}

if key_right > 0{

key_left = key_right - 1

}

}

}

}

print(ans)